<?php

function getMimeType($file, $defaultType = "application/octet-stream")
{
    $mime = array(
        'gif' => 'image/gif',
        'jpg' => 'image/jpeg',
        'jpeg' => 'image/jpeg',
        'jpe' => 'image/jpeg',
        'bmp' => 'image/bmp',
        'png' => 'image/png',
        'tif' => 'image/tiff',
        'tiff' => 'image/tiff',
        'pict' => 'image/x-pict',
        'pic' => 'image/x-pict',
        'pct' => 'image/x-pict',
        'psd' => 'image/x-photoshop',
        'swf' => 'application/x-shockwave-flash',
        'js' => 'application/x-javascrīpt',
        'pdf' => 'application/pdf',
        'ps' => 'application/postscrīpt',
        'eps' => 'application/postscrīpt',
        'ai' => 'application/postscrīpt',
        'wmf' => 'application/x-msmetafile',
        'css' => 'text/css',
        'htm' => 'text/html',
        'html' => 'text/html',
        'txt' => 'text/plain',
        'xml' => 'text/xml',
        'wml' => 'text/wml',
        'wbmp' => 'image/vnd.wap.wbmp',
        'mid' => 'audio/midi',
        'wav' => 'audio/wav',
        'mp3' => 'audio/mpeg',
        'mp2' => 'audio/mpeg',
        'avi' => 'video/x-msvideo',
        'mpeg' => 'video/mpeg',
        'mpg' => 'video/mpeg',
        'qt' => 'video/quicktime',
        'mov' => 'video/quicktime',
        'lha' => 'application/x-lha',
        'lzh' => 'application/x-lha',
        'z' => 'application/x-compress',
        'gtar' => 'application/x-gtar',
        'gz' => 'application/x-gzip',
        'gzip' => 'application/x-gzip',
        'tgz' => 'application/x-gzip',
        'tar' => 'application/x-tar',
        'bz2' => 'application/bzip2',
        'zip' => 'application/zip',
        'arj' => 'application/x-arj',
        'rar' => 'application/x-rar-compressed',
        'hqx' => 'application/mac-binhex40',
        'sit' => 'application/x-stuffit',
        'bin' => 'application/x-macbinary',
        'uu' => 'text/x-uuencode',
        'uue' => 'text/x-uuencode',
        'latex' => 'application/x-latex',
        'ltx' => 'application/x-latex',
        'tcl' => 'application/x-tcl',
        'pgp' => 'application/pgp',
        'asc' => 'application/pgp',
        'exe' => 'application/x-msdownload',
        'doc' => 'application/msword',
        'rtf' => 'application/rtf',
        'xls' => 'application/vnd.ms-excel',
        'ppt' => 'application/vnd.ms-powerpoint',
        'mdb' => 'application/x-msaccess',
        'wri' => 'application/x-mswrite',
    );

    $temp = explode(".", $file);
    $type = $temp[count($temp) - 1];
    $type = strtolower($type);
    if (array_key_exists($type, $mime)) {
        return $mime[$type];
    }
    return $defaultType;
}